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@@ -0,0 +1,3 @@
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{
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"minSdkVersion": "19"
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}
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@@ -0,0 +1,432 @@
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import MediaStore from "android.provider.MediaStore"
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import Activity from 'android.app.Activity';
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import Bundle from 'android.os.Bundle';
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import Intent from 'android.content.Intent';
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import Uri from "android.net.Uri"
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import Context from 'android.content.Context'
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import ContentResolver from 'android.content.ContentResolver'
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import InputStream from 'java.io.InputStream'
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import FileOutputStream from 'java.io.FileOutputStream'
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import File from 'java.io.File'
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import ByteArrayOutputStream from 'java.io.ByteArrayOutputStream'
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import MimeTypeMap from 'android.webkit.MimeTypeMap'
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import OpenableColumns from 'android.provider.OpenableColumns'
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import Build from 'android.os.Build'
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import ParcelFileDescriptor from 'android.os.ParcelFileDescriptor'
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import { xFileSListType,fileListType } from "../interface.uts"
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type xFileSNameTYpe = {
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name : string,
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type : string,
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uri : Uri,
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id : string,
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realFilePath : string,
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cacheFilePath : string,
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fileSize : number,
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status : number
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}
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type callReadBackFun = (byte : ByteArray) => void
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type resumtype = (requestCode : Int, resultCode : Int, data : any) => void
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const mimeTypes = new Map<string, string>([
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// 图片类型
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["jpg", "image/*"],
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["jpeg", "image/*"],
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["png", "image/*"],
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["gif", "image/*"],
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["bmp", "image/*"],
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["webp", "image/*"],
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["tiff", "image/*"],
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["svg", "image/*"],
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["ico", "image/*"],
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// 视频类型
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["mp4", "video/*"],
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["webm", "video/*"],
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["ogv", "video/*"],
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["mov", "video/*"],
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["avi", "video/*"],
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["wmv", "video/*"],
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// 音频类型
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["mp3", "audio/*"],
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["wav", "audio/*"],
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["ogg", "audio/*"],
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["flac", "audio/*"],
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["aac", "audio/*"],
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// 文档类型
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["pdf", "application/*"],
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["doc", "application/*"],
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["docx", "application/*"],
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["xls", "application/*"],
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["xlsx", "application/*"],
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["ppt", "application/*"],
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["pptx", "application/*"],
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["odt", "application/*"],
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["ods", "application/*"],
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// 文本类型
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["txt", "text/plain"],
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["html", "text/html"],
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["css", "text/css"],
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["js", "text/javascript"],
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["xml", "text/xml"],
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// 其他类型
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["zip", "application/*"],
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["rar", "application/*"],
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["7z", "application/*"],
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["json", "application/*"]
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]);
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function getMimeTypeFromUri(uri : Uri, max : number) : xFileSNameTYpe {
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let context = UTSAndroid.getAppContext() as Context
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let contentResolver = context.getContentResolver() as ContentResolver;
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let mime = MimeTypeMap.getSingleton() as MimeTypeMap;
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let gz = mime.getExtensionFromMimeType(contentResolver.getType(uri)) as string | null;
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let str = uri.getEncodedPath()
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let par = contentResolver.openFileDescriptor(uri, "r") as ParcelFileDescriptor
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let filesize = par.getStatSize()
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if (gz == null) {
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gz = str!.substring(str!.lastIndexOf(".") + 1)
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}
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let name = str!.substring(0, str!.lastIndexOf("/"))
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name = str!.substring(0, str!.lastIndexOf("."))
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///安卓10，api 29+需要遵循隐私策略获取名称。
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if (Build.VERSION.SDK_INT > Build.VERSION_CODES.Q) {
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let cursor = contentResolver.query(uri, null, null, null, null)
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if (cursor != null && cursor.moveToFirst()) {
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let nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
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if (nameIndex != -1) {
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name = cursor.getString(nameIndex);
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}
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cursor.close();
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}
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// 确保关闭游标
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if (cursor != null && !cursor.isClosed()) {
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cursor.close();
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}
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}
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return {
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name,
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type: gz!,
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uri: uri,
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id: Math.floor(Math.random() * 1 * Math.floor(Math.random() * Date.now())).toString().substring(0, 10),
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realFilePath: "",
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cacheFilePath: "",
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fileSize: filesize,
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status: filesize > max ? 4 : 0
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} as xFileSNameTYpe;
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}
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function readFileToInputStrem(uri : Uri) : ByteArray {
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//读写块的大小。
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let sizeBlock = 1024
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let context = UTSAndroid.getAppContext() as Context
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let cover = context.getContentResolver() as ContentResolver
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let inputStream = cover.openInputStream(uri)
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let byteArrayOutputStream = new ByteArrayOutputStream();
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// 文件的字节数组
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let buffer = new ByteArray(sizeBlock.toInt());
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let n = inputStream!.read(buffer)
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while (-1 != n) {
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byteArrayOutputStream.write(buffer, 0, n);
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n = inputStream!.read(buffer)
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}
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return buffer;
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}
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let filelistAll = [] as xFileSNameTYpe[]
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function isInfilelist(file : xFileSNameTYpe) : boolean {
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return filelistAll.some((el) : boolean => {
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return el.name == file.name && el.type == file.type
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})
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}
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let callFun = (list : fileListType[]) => { }
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let nowXFileSystem = null as null|xFileSystem;
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const activityResult = (requestCode : Int, resultCode : Int, data ?: Intent)=>{
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let jgCode = 1;
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console.log(1)
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if (data != null && requestCode == jgCode.toInt()) {
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let fdata = data! as Intent
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let flistdata = fdata.getClipData();
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let flistdataOnly = data?.data
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//多选
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if (flistdata != null) {
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let count = flistdata.getItemCount();
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for (let i = 0; i < count; i++) {
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let item = flistdata.getItemAt(i.toInt())
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let uri = item.getUri()
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let itemfile = getMimeTypeFromUri(uri, nowXFileSystem!.maxFileSize)
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if (!isInfilelist(itemfile)) {
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filelistAll.push(itemfile)
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}
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}
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//单选
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} else if (flistdataOnly != null) {
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let itemfile = getMimeTypeFromUri(flistdataOnly!, nowXFileSystem!.maxFileSize)
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if (!isInfilelist(itemfile)) {
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filelistAll.push(itemfile)
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}
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}
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let listfile = filelistAll.map((el) : fileListType => {
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return {
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name: el.name,
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type: el.type,
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id: el.id,
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uri: '',
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realFilePath: el.realFilePath,
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cacheFilePath: el.cacheFilePath,
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status: el.fileSize > nowXFileSystem!.maxFileSize ? 4 : 0,
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size: el.fileSize
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} as fileListType
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});
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callFun(listfile)
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}
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}
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/**
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* 由于安卓隐私的问题。实际得到的所有文件 其实 都不是真实地址。因此你想要得到真实的地址，你就得复制到你的应用沙盒中。
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*/
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export class xFileSystem {
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mimeTypeFilter : string[] = [] as string[]
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filelist = [] as xFileSNameTYpe[]
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multiple : boolean = true;
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maxFileSize = 30 * 1024 * 1024;
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constructor(typeFilter : string[] | null, tempmultiple : boolean | null, maxSize : number | null) {
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if (typeFilter != null) {
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let filter : string[] = [] as string[];
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let tms = typeFilter! as string[]
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for (let i = 0; i < tms.length; i++) {
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if (mimeTypes.get(tms[i]) != null) {
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filter.push(mimeTypes.get(tms[i])!)
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}
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}
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if (filter.length == 0) {
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filter.push("*/*")
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}
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this.mimeTypeFilter = filter
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}
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if (tempmultiple != null) {
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this.multiple = tempmultiple!
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}
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if (maxSize != null) {
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this.maxFileSize = maxSize!
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}
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nowXFileSystem = this;
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UTSAndroid.onAppActivityResult(activityResult);
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}
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destory() {
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UTSAndroid.offAppActivityResult(activityResult)
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// filelistAll = [] as xFileSNameTYpe[]
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}
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openDocument(call : (list : fileListType[]) => void) {
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let intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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intent.setAction(Intent.ACTION_OPEN_DOCUMENT);
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} else {
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intent.setAction(Intent.ACTION_GET_CONTENT);
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}
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// intent.addCategory(Intent.CATEGORY_OPENABLE);
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if (this.mimeTypeFilter.length == 0) {
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intent.type = "*/*"
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} else {
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let key = this.mimeTypeFilter[this.mimeTypeFilter.length - 1]
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let ftype = key;
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if (ftype != null) {
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intent.setType(ftype!);
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} else {
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intent.setType("*/*");
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}
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// console.log(this.mimeTypeFilter)
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// intent.putExtra(Intent.EXTRA_MIME_TYPES, []);
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}
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intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, this.multiple)
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
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let _this = this;
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callFun = call;
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UTSAndroid.getUniActivity()!.startActivityForResult(intent, 1);
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}
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/**
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* 删除一个文件条目
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* @param {string} id - 文件id
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* @returns {fileListType[]} 最新的文件列表
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*/
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remove(id : string) : fileListType[] {
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let index = -1;
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for (let i = 0; i < filelistAll.length; i++) {
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let item = filelistAll[i]
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if (item.id == id) {
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filelistAll.splice(i, 1)
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break;
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}
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}
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return filelistAll.map((el) : fileListType => {
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return {
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name: el.name,
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type: el.type,
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id: el.id,
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uri: '',
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realFilePath: el.realFilePath,
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cacheFilePath: el.cacheFilePath,
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size: el.fileSize,
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status: el.status
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} as fileListType
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});
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}
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/**
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* 返回一个空文件列表数组
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*/
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clear() : fileListType[] {
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filelistAll = [] as xFileSNameTYpe[];
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this.filelist = [] as xFileSNameTYpe[];
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return [] as fileListType[]
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}
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/**
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* 读取文件
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* @description 提供这个函数是因为如果是大文件上传，你可能需要分块上传。由于安卓隐私问题，大文件超过16mb复制回用户区可能会卡或者其它意外事项。
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* @param {string} id - 文件id
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* @param {number} size - 读写块的大小，每次读取的大小
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* @param {Function<byte:ByteArray>} callBack - 读取文件时的回调。
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*/
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readFile(item : xFileSListType, size : number | null = null, callBack : null | callReadBackFun = null) : ByteArray {
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let index = -1;
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for (let i = 0; i < filelistAll.length; i++) {
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let item2 = filelistAll[i]
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if (item.id == item2.id) {
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index = i;
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break;
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}
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}
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if (index == -1) {
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console.error("文件id不存在")
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return new ByteArray((0).toInt())
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}
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let file = filelistAll[index]
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// 1024
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let sizeBlock = size == null ? 1024 : size!;
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let context = UTSAndroid.getAppContext() as Context
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let cover = context.getContentResolver() as ContentResolver
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let inputStream = cover.openInputStream(file.uri)
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let byteArrayOutputStream = new ByteArrayOutputStream();
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// 文件的字节数组
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let buffer = new ByteArray(sizeBlock.toInt());
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let n = inputStream!.read(buffer)
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while (-1 != n) {
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byteArrayOutputStream.write(buffer, 0, n);
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if (callBack != null) {
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let tempbuffer = new ByteArray(sizeBlock.toInt());
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byteArrayOutputStream.write(tempbuffer, 0, n);
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callBack(tempbuffer)!
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}
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n = inputStream!.read(buffer)
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}
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let ar = byteArrayOutputStream.toByteArray()
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try {
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byteArrayOutputStream.flush()
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} catch (e) {
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byteArrayOutputStream.close()
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}
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return ar
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}
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/**
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* 获取文件地址
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* @description 主要是用来你外部上传用，但记住这个内部会放到临时目录中，因此你的地址也是临时在用户中。
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* @returns {Promise<string>} 返回文件地址
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*/
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copyFileToPath(item : xFileSListType, path : string) : Promise<xFileSListType | null> {
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// let index = -1;
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// for(let i=0;i<this.filelist.length;i++){
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// let item = this.filelist[i]
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// if(item.id==id){
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// index = i;
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// break;
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// }
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// }
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// if(index==-1){
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// console.error("文件id不存在")
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// uni.showToast({title:"文件id不存在",icon:'none'})
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// return Promise.resolve(null)
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// }
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let file = item
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if (file.status == 4) {
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console.error("文件大小超了")
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// uni.showToast({title:"文件大小超了",icon:'none'})
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return Promise.resolve(item)
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}
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let fileData = this.readFile(item, 1024, null);
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let filepath = path + "/" + file.name
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let realfilepath = UTSAndroid.convert2AbsFullPath(filepath)
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// let outputFile = new File(filepath)
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uni.showLoading({ title: '...', mask: true })
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return new Promise((res, rej) => {
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try {
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let outputStream = new FileOutputStream(realfilepath)
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outputStream.write(fileData);
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outputStream.flush();
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uni.hideLoading()
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file.realFilePath = realfilepath
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file.cacheFilePath = filepath
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res({
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name: file.name,
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type: file.type,
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id: file.id,
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realFilePath: file.realFilePath,
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cacheFilePath: file.cacheFilePath,
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status: file.status,
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size: file.size,
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uri: file.uri
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} as xFileSListType)
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} catch (e) {
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console.error(e)
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uni.hideLoading()
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uni.showToast({ title: "异常", icon: 'none' })
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rej("异常")
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}
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})
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}
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}
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Reference in New Issue
Block a user